1.
THE INFLUENCE OF RETURNING LAND FROM FARMING TO FORESTRY ON AGRICULTURAL ECONOMY IN YAN AN AREA;
退耕还林对延安地区农业经济的影响
2.
Endoscopic analysis of ulcer at the gastric angle in Yan'an area:a report of 208 cases
延安地区胃角溃疡内镜分析208例
3.
Analysis of Red Tourism Development According to Method of SWOT in Yan'an
延安地区红色旅游资源开发的SWOT分析
4.
Contrast Study on Regional Ecological Security and Ecological Footprint--Take Yan an Region as An Example;
区域生态安全与生态足迹对比研究——以陕北延安地区为例
5.
THE RESOURCES OF THE CEMENT RAW MATERIALS AND THE STUDY OF THEIR EXPLOITATION FEASIBLILITY IN YANAN DISTRICT
延安地区水泥原料及其开发可行性研究
6.
A Sustainable Design Study on Residential Building Design of Small Cities & Towns in Yan an Area;
延安地区小城镇集合住宅可持续性设计研究
7.
Survey the Present Situation of Middle-school P.E.in Yanan and Strategy;
延安地区中学体育现状调查及对策研究
8.
Rebuliding Beautiful Mountains and Rivers land Scaling New Heights in Agriculture;
延安地区农业面临的问题与增产技术研究
9.
Research on Planting Design by Simulating Natural Plant Communities of Yan'an
模拟延安地区自然群落的植物景观设计研究
10.
Study on Plant Diversity and Arrangement Mode at Household Farmyard of Rural Area,Yan'an
延安地区农户庭院植物多样性与配置模式研究
11.
Investigation on the Mental Heath and Its Influential Factors of College Students in Yan'an
延安地区大学生心理健康状况及其影响因素
12.
CHARACTERISTICS OF CHANG 6 RESERVOIR AND THE INFLUENCE ON WATER INJECTION PRODUCTION IN YAN AN AREA
延安地区长_6油层裂缝特征及对注水开发影响
13.
Fracture identification of reservoir of Yan’an and Yanchang Formation in Mahuangshan area
麻黄山地区延安组、延长组储层裂缝特征及识别
14.
The Study on Geographical Hazard Evaluation of Baota District in Yan an City;
延安宝塔区地质灾害危险性评价研究
15.
PHYSICAL PROPERTY OF Y9～Y10 RESERVOIR IN YAN-AN FORMATION,YIZHENG～WUBU AREA
义正——吴堡地区延安组储层物性研究
16.
On the sedimentary Facies of Yan-9 and Yan-10,in Yan'an Formation,Jurassic,in TBC Area of Central Section ofthe Shanbei Slope,Ordos Basin
陕北斜坡中部TBC地区侏罗系延安组延10与延9沉积相研究
17.
Relationship between Palaeogeomorphic of the Erosion Surfaces and Oil and Gas Accumulation of Yan an Formation in Zhen Jing;
镇泾地区延长组剥蚀面古地貌特征与延安组成藏关系研究
18.
The Research on Reservoir Characteristics of Yan an Formation in Mahuangshan Area of Ordos Basin;
鄂尔多斯盆地麻黄山地区延安组储层特征研究